1. In Purchasing, go to Tasks and select Enter Receipts.
2. Click the binoculars icon.
3. Find and select the receipt you want to delete.
4. Click OK.
5. If the receipt is posted, click Unpost and click Yes.
6. Un-receive each line on the receipt:
   1. Double-click the line to un-receive the quantity for this receipt.
   2. Verify the Qty this Recpt on that line is zero.
   3. Repeat for each line on this receipt.
7. Verify the Receipt Total is zero.
    NOTE: Click Addons to delete any addon lines.  
8. In the upper left, click the X next to Purchase Order to remove the order from this receipt and click Yes.
9. If there are other orders on this receipt, repeat steps 6 - 8 above for each order.
10. Click Delete and then click Yes to delete this receipt.
11. Click Finish.

How do I change a purchase order that I previously sent to Job Cost?